"S. Ishiwata,M. Azuma,. M. Hanawa,Y. Moritomo,Kazuki Ooishi,K. Kato,M. Takata,Eiji Nishibori,M. Sakata,I. Terasaki,M. Takano","Pressure/Temperature/Substitution-Induced Melting of A-Site Charge Disproportionation in Bi1-xLaxNiO3 (0?x?0.5)",,"Phys. Rev. B",,"Vol. 72","No. 4","pp. 045104-1-045104-7",2005,